Choose the correct sets with respective observations: (1) (acidified with acetic acid) + (neutralized with NaOH) Blue precipitate (2) Blue precipitate [2025]

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Solution

Q.
Choose the correct sets with respective observations: [2025]

(1)   ${CuSO}_{4}$ (acidified with acetic acid) + $K_{2} Fe {(CN)}_{6}$ (neutralized with NaOH) $\to$ Blue precipitate

(2) $2 {CuSO}_{4} + K_{2} Fe {(CN)}_{6} \to$ Blue precipitate

(3)   $4 {FeCl}_{3} + 3 K_{4} Fe {(CN)}_{6} \to \frac{1}{2} K_{4} Fe {(CN)}_{6}$

(4)   $37 {Cl}_{2} + 2 KFe {(CN)}_{6} \to 6 KCl$

In the light of the above options, choose the correct set:

1 (A), (B), (C)

2 (A), (B), (D)

3 (C), (D)

4 (B), (D)

Ans.
(1)

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